This is Audiograph — the Bay Area’s sonic signature. Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound, guess what it is and where we recorded it, then call us to let us know.

This is Audiograph — the Bay Area’s sonic signature. Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound, guess what it is and where we recorded it, then call us to let us know.

Welcome to Audiograph – the Bay Area’s sonic signature. Each week, we play you a sound recorded somewhere in the Bay Area, and ask you to tell us what it is, and where we recorded it. We reveal the story behind our mystery sounds every Thursday on Crosscurrents.

Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound (in the player above), figure out where it was recorded, and what it is, then call us to let us know.

Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound (in the player above), figure out where it was recorded, and what it is, then call us to let us know.

Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound (in the player above), figure out where it was recorded, and what it is, then call us to let us know.

Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound (in the player above), figure out where it was recorded, and what it is, then call us to let us know.

Each week, we’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound (in the player above), figure out where it was recorded, and what it is, then call us to let us know.